{"id":5931,"date":"2021-01-14T14:36:05","date_gmt":"2021-01-14T14:36:05","guid":{"rendered":"https:\/\/outbyte.com\/blog\/?p=5931"},"modified":"2025-01-30T08:57:35","modified_gmt":"2025-01-30T08:57:35","slug":"installation-error-1603-how-to-fix","status":"publish","type":"post","link":"https:\/\/outbyte.com\/blog\/installation-error-1603-how-to-fix\/","title":{"rendered":"Installation Error 1603 &#8211; How to Fix"},"content":{"rendered":"\n<p>You may encounter the Installation Error 1603 when installing something on your operating system. This is a common error among Windows <a href=\"https:\/\/docs.microsoft.com\/en-us\/troubleshoot\/windows-server\/application-management\/msi-installation-error-1603#symptoms\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">users<\/a>.<\/p>\n\n\n\n<p>This post will help you know why the Windows Installer error 1603 occurs and how to fix it.<\/p>\n\n\n\n<p><strong>Note:<\/strong> Don&#8217;t wait for your PC to encounter errors such as the Error Code 1603. You can keep your computer clean and functioning optimally using Outbye <a href=\"https:\/\/outbyte.com\/software\/pc-repair\/?m=site_blog_article_pcr_pplink&amp;utm_source=outbyte&amp;utm_medium=blog&amp;utm_campaign=article_pcr_pplink&amp;utm_term=Outbyte+PC+Repair&amp;utm_content=\/blog\/installation-error-1603-how-to-fix\/\" target=\"_blank\" rel=\"noreferrer noopener\">PC Repair tool<\/a>. This tool will clean, optimize, and speed up your computer to give you a pleasant user experience.<\/p>\n\n\n\n<p class=\"download-button-wrapper\"><a href=\"https:\/\/outbyte.com\/software\/pc-repair\/download\/\">Download PC Repair<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Symptoms_of_the_Installation_Error_1603\"><\/span>Symptoms of the Installation Error 1603<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>A number of users report encountering the Error Code 1603 when they try to install something on their Windows OS. Most of them reported that it might have to do with the Windows Installer package. Meanwhile, other users said they met the error during the installation of Google Backup and Sync on Windows 10.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"407\" height=\"185\" src=\"https:\/\/outbyte.com\/blog\/wp-content\/uploads\/installation-error-1603-1.png\" alt=\" Installation Error 1603\" class=\"wp-image-5973\" srcset=\"https:\/\/outbyte.com\/blog\/wp-content\/uploads\/installation-error-1603-1.png 407w, https:\/\/outbyte.com\/blog\/wp-content\/uploads\/installation-error-1603-1-300x136.png 300w\" sizes=\"auto, (max-width: 407px) 100vw, 407px\" \/><\/figure>\n\n\n\n<p>When the installation error 1603 occurs, it appears with a message displaying:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>&#8220;Error 1603: A fatal error occurred during installation.&#8221;<\/p>\n<\/blockquote>\n\n\n\n<p>Once the error occurs, if you click the OK message box, you\u2019ll notice that the installation rolls back.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_Does_Installation_Error_1603_Occur\"><\/span>Why Does Installation Error 1603 Occur?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>When the Error 1603 occurs, it mostly indicates that one of the common custom actions in the MSI failed. Here are the causes of the issue:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>When Windows Installer is trying to install a Windows application that already exists on your computer<\/li>\n\n\n\n<li>When the drive containing the destination folder of the Windows Installer package or any other application you\u2019re installing is accessed as a substitute drive<\/li>\n\n\n\n<li>When the destination folder of the application (Windows Installer Package) you\u2019re trying to install is encrypted<\/li>\n\n\n\n<li>When you don&#8217;t have the Full Control permissions of the System account or destination folder where you\u2019re installing the Windows Installer package<\/li>\n\n\n\n<li>If the Windows Temp folders are full<\/li>\n<\/ul>\n\n\n\n<p><strong>Note: <\/strong>The causes of Installation Error 1603 mentioned in this list are not the only ones; they\u2019re just the common ones reported by many users. There could be other reasons depending on your system or device.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_To_Fix_the_Installation_Error_1603\"><\/span>How To Fix the Installation Error 1603<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Use the following methods to fix the Windows installer error 1603:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Method_1_Change_the_Installation_Location\"><\/span>Method #1: Change the Installation Location<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>In most cases, you may encounter the Error 1603 when the installation location is not available. This can happen because of various reasons, such as when it is encrypted or when temporary folders are full. You can switch the installation folder to a different location or disk and see if the Error 1603 is gone.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Method_2_Remove_or_Uninstall_the_Duplicate_Program_from_Your_Device\"><\/span>Method #2: Remove or Uninstall the Duplicate Program from Your Device<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Do you have an earlier version of the program on your device? If so, then you\u2019re likely to encounter error 1603 when installing the application again.<\/p>\n\n\n\n<p>To install your program successfully, you may need to perform a clean uninstall. This process entails removing the program along with all the residual files and preferences that it may leave behind. To begin, follow the steps below:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Right-click Windows start.<\/li>\n\n\n\n<li>Select <strong>Apps &amp; Features<\/strong>.<\/li>\n\n\n\n<li>Check if the application is listed.<\/li>\n\n\n\n<li>If the application is listed, right-click on it and select uninstall.<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"805\" height=\"457\" src=\"https:\/\/outbyte.com\/blog\/wp-content\/uploads\/uninstall-application.png\" alt=\"Uninstall application\" class=\"wp-image-5951\" srcset=\"https:\/\/outbyte.com\/blog\/wp-content\/uploads\/uninstall-application.png 805w, https:\/\/outbyte.com\/blog\/wp-content\/uploads\/uninstall-application-300x170.png 300w, https:\/\/outbyte.com\/blog\/wp-content\/uploads\/uninstall-application-768x436.png 768w\" sizes=\"auto, (max-width: 805px) 100vw, 805px\" \/><\/figure>\n\n\n\n<p>Now you can try to install the application again and see if you\u2019re still encountering the 1630 error.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Method_3_Start_and_Register_the_Microsoft_Installer_Service\"><\/span>Method #3: Start and Register the Microsoft Installer Service<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Sometimes, the Microsoft Installer service could be experiencing an issue that is resulting in the Installation Error 1603. If there is a problem with the Microsoft installation service, you can fix it by (re)starting and re-registering it. Here\u2019s how:<\/p>\n\n\n\n<p>To start Microsoft installer service.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Press <kbd>Win<\/kbd> + <kbd>R<\/kbd> Keys, then type <code class=\"inline\">services.msc<\/code><\/li>\n\n\n\n<li>In the Windows that pops up, locate <strong>Windows Installer<\/strong>.<\/li>\n\n\n\n<li>Double-click on the Windows Installer, then select <strong>Start<\/strong> under the Service status.<figure class=\"wp-block-image size-large\"><figure><img decoding=\"async\" class=\"wp-image-1321\" src=\"https:\/\/outbyte.com\/blog\/wp-content\/uploads\/start-windows-installer.png\" alt=\"Windows Installer start\"><\/figure><\/figure><\/li>\n\n\n\n<li>Click <strong>OK<\/strong>.<\/li>\n\n\n\n<li>If the Windows installer service status is running, you\u2019ll need to first click on Stop and then click Start.<\/li>\n<\/ol>\n\n\n\n<p>To register Microsoft installer service:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Press <kbd>Win<\/kbd> + <kbd>R<\/kbd> Keys. Then type <code class=\"inline\">msiexec \/unregister<\/code> and press <kbd>Enter<\/kbd>.<figure class=\"wp-block-image size-large\"><figure><img decoding=\"async\" class=\"wp-image-1321\" src=\"https:\/\/outbyte.com\/blog\/wp-content\/uploads\/msiexec-unregister.png\" alt=\"msiexec \/unregister command\"><\/figure><\/figure><\/li>\n\n\n\n<li>Again, Press <kbd>Win<\/kbd> + <kbd>R<\/kbd> Keys.<\/li>\n\n\n\n<li>Type <code class=\"inline\">msiexec \/regserver<\/code> , then press <kbd>Enter<\/kbd>.<\/li>\n<\/ol>\n\n\n\n<p>Now, check if you can install the application without encountering the Error 1603.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Method_4_Obtain_Full_Installation_Permission_on_the_Drive\"><\/span>Method #4: Obtain Full Installation Permission on the Drive<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>It is possible that you\u2019re encountering the Error 1603 because you don\u2019t have the required full installation permissions on the destination file location. To fix this, you need to get the installation permissions on the application\u2019s destination drive.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Press <kbd>Win<\/kbd> + <kbd>E<\/kbd> Keys to open File Explorer.<\/li>\n\n\n\n<li>In File Explorer, right-click on the drive that has the installation location, then select <strong>Properties<\/strong>.<\/li>\n\n\n\n<li>Go to the <strong>Security tab<\/strong>, then click Edit.<figure class=\"wp-block-image size-large\"><figure><img decoding=\"async\" class=\"wp-image-1321\" src=\"https:\/\/outbyte.com\/blog\/wp-content\/uploads\/disk-security-properties.png\" alt=\"Disk security properties\"><\/figure><\/figure><\/li>\n\n\n\n<li>Click on <strong>SYSTEM<\/strong>.<\/li>\n\n\n\n<li>In the Permissions for SYSTEM, check and ensure that every box on the column of Allow is checked (if the box is checkable).<figure class=\"wp-block-image size-large\"><figure><img decoding=\"async\" class=\"wp-image-1321\" src=\"https:\/\/outbyte.com\/blog\/wp-content\/uploads\/system-permissions.png\" alt=\"System permissions\"><\/figure><\/figure><\/li>\n\n\n\n<li>Now, click Administrators and repeat Step 5.<\/li>\n\n\n\n<li>Next, click on OK, then go back to the <strong>Properties<\/strong> dialog and click <strong>Advanced<\/strong>.<\/li>\n\n\n\n<li>Now, click <strong>Change Permissions<\/strong>.<figure class=\"wp-block-image size-large\"><figure><img decoding=\"async\" class=\"wp-image-1321\" src=\"https:\/\/outbyte.com\/blog\/wp-content\/uploads\/change-permissions.png\" alt=\"Change permissions - advanced settings\"><\/figure><\/figure><\/li>\n\n\n\n<li>On the <strong>Permissions tab<\/strong>, double-click on <strong>Administrators<\/strong>.<\/li>\n\n\n\n<li>Locate the \u201cApplies to\u201d field and select This Folder, Subfolders, and Files.<\/li>\n\n\n\n<li>In the Basic permissions, check all the boxes > then click <strong>OK<\/strong>.<figure class=\"wp-block-image size-large\"><figure><img decoding=\"async\" class=\"wp-image-1321\" src=\"https:\/\/outbyte.com\/blog\/wp-content\/uploads\/basic-permissions-admin.png\" alt=\"Admin basic permissions\"><\/figure><\/figure><\/li>\n\n\n\n<li>Now, click <strong>SYSTEM<\/strong> and do the same as you\u2019ve done in Steps 10 and 11.<\/li>\n\n\n\n<li>Click <strong>OK<\/strong> until you return to File Explorer.<\/li>\n<\/ol>\n\n\n\n<p>Now, you\u2019ve obtained full permissions on the drive you needed to conduct the installation on. You can then try installing the application and see if you\u2019re still encountering the Error 1603. <\/p>\n\n\n\n<p>Setting up full permissions is a good move to solve <a href=\"https:\/\/outbyte.com\/blog\/how-to-fix-application-error-0xc0000022\/\">error 0xc0000022<\/a>. In case you face the error code <a href=\"https:\/\/outbyte.com\/blog\/fix-windows-update-error-0x80070005\/\">0x80070005<\/a> it is vital to give full control to a certain folder.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Method_5_Install_the_Package_into_a_Drive_that_Is_not_Accessed_as_a_Substitute_Drive\"><\/span>Method #5: Install the Package into a Drive that Is not Accessed as a Substitute Drive<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Does the error message tell you that the you\u2019re trying to install the Installer package in a substitute drive? If so, try installing it to a different drive. Otherwise, use other methods to fix the error.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>You may encounter the Installation Error 1603 when installing something on your operating system. This is a common error among Windows users. This post will help you know why the Windows Installer error 1603 occurs and how to fix it. Note: Don&#8217;t wait for your PC to encounter errors such as the Error Code 1603&#8230;. <a href=\"https:\/\/outbyte.com\/blog\/installation-error-1603-how-to-fix\/\" target=\"_blank\">Read more.<\/a><\/p>\n","protected":false},"author":13,"featured_media":5973,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[63,111,43,45,139],"class_list":["post-5931","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fixes","tag-application-error","tag-device-drivers","tag-file-explorer","tag-hard-drive","tag-windows-permissions"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Installation Error 1603 - How to Fix - Outbyte Official Blog<\/title>\n<meta name=\"description\" content=\"You may encounter the Installation Error 1603 when installing something on your operating system. 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